Changeset 4981 for trunk/src

Timestamp:

Jan 20, 2001, 4:48:54 PM (25 years ago)

Author:

bird

Message:

Pre commit

Location:

trunk/src/win32k

Files:

• api/api.cpp (added)
• api/myVR32AllocMem.asm (modified) (5 diffs)
• include/api.h (added)

trunk/src/win32k/api/myVR32AllocMem.asm

@@ -1 @@
-; $Id: myVR32AllocMem.asm,v 1.1 2001-01-19 02:43:26 bird Exp $
+; $Id: myVR32AllocMem.asm,v 1.2 2001-01-20 15:48:54 bird Exp $
 ;
 ; VR32AllocMem over loader which adds the OBJ_ANY flag.
@@ -9 +9 @@
     .386p
 
+
+;
+;   Defined Constants And Macros
+;
+SEF_EIP     EQU     3ch
+SEF_CS      EQU     40h
+
+ARG_FLAGS   EQU     50h
+
+
 ;
 ; Include files
 ;
     include devsegdf.inc
-
+    include bsememf.inc
+    ifndef OBJ_ANY
+    OBJ_ANY     EQU     00000400H
+    endif
 
 
@@ -19 +32 @@
 ; Exported symbols
 ;
-    public
+    public _myVR32AllocMem@50
 
 
@@ -25 +38 @@
 ; Externs
 ;
-    extrn ApiApplyChange:PROC
+    extrn apiApplyChange:PROC           ; system call?
+    extrn _VR32AllocMem@50:PROC
 
 
@@ -31 +45 @@
 
 
-myVR32AllocMem proc near
+_myVR32AllocMem@50 proc near
+    ASSUME ds:FLAT, es:NOTHING, ss:NOTHING
+    ;
+    ; Check if OBJ_ANY flag is allready set.
+    ;
+    mov     edx, [esp + ARG_FLAGS]
+    test    edx, OBJ_ANY
+    jnz     FLAT:call_vr
 
-myVR32AllocMem endp
+
+    ;
+    ; It was not - check if we're to set it for this calling module.
+    ;
+    push    eax
+    push    dword ptr [esp + SEF_CS]
+    push    dword ptr [esp + SEF_EIP]
+    push    1
+    call    apiApplyChange
+    sub     esp, 0ch
+    test    eax, eax
+    pop     eax
+    jz      FLAT:call_vr
+
+    ; Apply the OBJ_ANY flag.
+    or      word ptr [esp + ARG_FLAGS], OBJ_ANY ; only need to update first word.
+
+    ;
+    ; Call the original verify/worker routine.
+    ;
+call_vr:
+    jmp     FLAT:CALLTAB:_VR32AllocMem@50
+_myVR32AllocMem@50 endp
 
 CODE32 ends